109158668 has 12 divisors (see below), whose sum is σ = 197615040. Its totient is φ = 52697232.

The previous prime is 109158653. The next prime is 109158691. The reversal of 109158668 is 866851901.

It is a super-2 number, since 2×109158668² = 23831229599068448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470396 + ... + 470627.

It is an arithmetic number, because the mean of its divisors is an integer number (16467920).

Almost surely, 2^109158668 is an apocalyptic number.

It is an amenable number.

109158668 is a deficient number, since it is larger than the sum of its proper divisors (88456372).

109158668 is a wasteful number, since it uses less digits than its factorization.

109158668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941056 (or 941054 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 109158668 is about 10447.9025646299. The cubic root of 109158668 is about 477.9172898914.

The spelling of 109158668 in words is "one hundred nine million, one hundred fifty-eight thousand, six hundred sixty-eight".